CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Entry no.
1986-0320
SL-4 R/B
SL-4 R/B (NORAD 16891) re-entered Earth’s atmosphere on 7 August 1986, after 5 days in orbit.
Official date
NORAD number
16891
International designator
1986-058B
Object type
Rocket body
Country
USSR
Launched
2 Aug 1986Plesetsk Cosmodrome
Re-entered (UTC)
7 Aug 1986UTC calendar day
Time in orbit
5 days5 days
How it ended
Re-entered (natural decay)
Latitude range
—
Mass
2,350 kg
Where it came down
Not on recordNo position was recorded for this re-entry. Its final orbit is not on record.
Life in orbit
5 daysAlso ended on 7 Aug 1986
2 entriesFrom the same launch
1986-058
Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/1986-0320
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.
Record version 1 · No corrections · orbitalradar.com/register/1986-0320
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.